Model: RS20NCSL RS20NCSW RS20NESL RS20NESW

Transcription

1 SAMSUNG Home Appliance Service For the latest parts information, please access to our service web site ( SIDE-BY-SIDE REFRIGERATOR Model: RS2NCSL RS2NCSW RS2NESL RS2NESW

2 WARNING IMPORTANT SAFETY NOTICE The service guide is for service men with adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to repair a major appliance may result in personal injury and property damage. The manufacturer or dealer cannot be responsible for the interpretation of this information. SAMSUNG ELECTRONICS Technical Service Guide Copyright c22 All rights reserved. This service guide may not be reproduced in whole or in part in any form without written permission from the SAMSUNG ELECTRONICS Company. 2

3 Contents. SAFETY WARNINGS 4 2. INSTRUCTION 6 3. INSTALLATION 7 4. NOMENCLATURE 8 5. SPECIFICATIONS 9 6. INTERIOR VIEWS AND DIMENSIONS 2 7. FREEZING CYCLE AND COOL AIR CIRCULATION ROUTE 4 8. MECHANICAL DISASSEMBLY 6 9. FUNCTIONS AND OPERATION 22. CIRCUIT DESCRIPTION 27. DIAGNOSIS AND TROUBLESHOOTING ILLUSTRATED PARTS CATALOGUE 42 APPENDIX Ⅰ(CIRCUIT DIAGRAM) 57 3

4 . SAFETY WARNINGS Pull the power plug out already for the change or repair of electric parts. Be careful the electric shock. When exchanging the parts, use the correct parts. Check the model name, rating voltage, rating current, running temperature symbols. When troubleshooting, connect firmly the types of harness. Make not to be separated when some power is imposed. Check the traces of water infiltration at the electric parts. If there is a trace of water infiltration, exchange or tape the parts. Check the assemble status of parts after troubleshooting. It should be done indiscriminately as before the repair. Check the use circumstance of refrigerator. If the refrigerator is installed at the place that is damp or wet, or status of installation is unstable, change the installation place. Do earth in case of need. Particularly, Be sure to earth when there is a risk of an electric leakage by humidity or wetness. Do not use multi plugs in a plug socket at the same time. Check the power cord and socket is damaged, pressed, squeezed, or fired. If the plug or plug socket is damaged, repair or exchange that immediately. Do not store the foods unstable or bottles in the freezing room. Do not repair the refrigerator by user himself. Do not store another materials except the foods. Drugs or scientific materials : difficult to keep a precise temperature. The inflammables(alcohol, benzene, ether, LP gas, butane gas etc.): have a risk of explosion. 4

5 . SAFETY WARNINGS CAUTION / WARNING SYMBOLS DISPLAYED Warning Caution Indicates that a danger of death or serious injury exists. Indicates that a risk of personal injury or material damage exists. SYMBOLS means Prohibition. means Do not disassemble. means No contact. means The things to be followed. means Power cord should be unplugged from the consent means Earth to prevent Electric shock. Caution Use the rated components on the replacement. Check the correct model, rated voltage, rated current, operating temperature and so on. Pull the power plug out to exchange the interior lamp of the refrigerator. It may cause electric shock. On repair, make sure that the wires such as harness are bundled tightly. Bundle tightly wires in order not to be detached by the external force and then not to be wetted. On repair, remove completely dust or other things of housing parts, harness parts, and check parts. Cleaning may prevent the possible fire by tracking or short. After repair, check the assembled state of components. It must be in the same assembled state when compared with the state before disassembly. Check if there is any trace indicating the permeation of water. If there is that kind of trace, change the related components or do the necessary treatment such as taping using the insulating tape. 5

6 2. INSTRUCTION A newly developed SAMSUNG side by side refrigerator has the following characteristics. ) Multi-Flow System Cool air circulates through multiple vents on each shelf level. This provides even distribution of cooling inside of freezer/refrigerator and keeps food fresher for longer. 2) High humidity for fresher food You can keep food, fruit and vegetables fresh for longer because your refrigerator supplies highly humidified cold air. 3) Door Alarm When the refrigerator door is left open for more than two minutes, a musical alarm is automatically triggered. This feature helps you save electricity and preserve stored foods. 6

7 3. INSTALLATION ) To protect refrigerator in movement Use padded hand truck as shown. If entrance width is less than 3, remove doors prior to installation and reattach doors according to procedure below. 2) Remove all protective tape and pad in refrigerators. Please adjust the clearance between the doors. 3) Set the temperature control to the temperature and wait for an hour. The refrigerator should get slightly chilled and the motor runs smoothly. 4) Once the refrigerator temperature is sufficiently cool You can store food in the refrigerator. After starting the refrigerator, it takes a few hours to reach the appropriate temperature. Disassemble the refrigerator Assemble the refrigerator ) 2) ) 2) ) With the door closed, disassemble screw( ) by using (+) screw driver and then disassemble the upper hinge cover( ). 2) Disassemble bolts ( ) and screws ( ) to the counter-clockwise by using a tool, and take off the upper hinge ( ) along the arrow ( ). Take care when you disassemble the door to ensure that it does not fall on you. ) Insert the lower hinge ( ) in the bracket lower hinge ( ). 2) Assemble the door ( ) in the lower hinge ( ). 3) 4) 3) 4) 3) Disassemble the door from the lower hinge ( ) by lifting the door ( ). 4) Disassemble the lower hinge ( ) from the bracket lower hinge ( ) by lifting the lower hinge ( ) in the direction of the arrow. 3) Insert the upper hinge shaft ( ) into the hole ( ). After leveling between the upper hinge hole ( ) and the hole of the refrigerator ( ), assemble bolts ( ) and screws ( ) to the clockwise by using a tool. 4) Put the front part of the upper hinge cover ( ) on the front part of the upper hinge ( ) and assemble, starting with the front part of the upper hinge cover. Assemble the screw to the clock wise by using a tool. 7

8 4. NOMENCLATURE R S 2 N C SW Handle Type C ; Sky Bar Handle E ; Deluxe Bar Handle Option N : Nothing Color SW : Snow White SL : Stainless Looking Capacity ; Cu. ft Door Type S - Side By Side Product ; R - Refrigerator Label Location 8

9 5. SPECIFICATIONS 5-. Model Specification Volume capacity Items Model Name Outer dimensions(width x depth x height) Rated frequency Hz Rated voltage V Rated consumption of Comp. W Rated consumption of Electric heater W Refrigerator type Refrigerant Refrigerant quantity Freezing Capacity Products weight Total Volume Freezer Volume Refrigerator Volume Specification RS2N*** 496 l(7.5 cu.ft) 88 l(6.6 cu.ft) 38 l(.9 cu.ft) 85mm 724mm 722mm / Frost free HFC - 34a 9gr 6kg

10 5-2. Electric Parts Specification Freezing parts Inner Temperature detection parts Parts related defrost Freezer Refrigerator Defrostperiod Defrost sensor Model Name Performance of freezer Compressor Cooler Condensing method Types Items Thermistor (F-sensor) 52AT Types Thermistor (R-sensor) 52AT Drying agent Capillary tube Refrigerant Freezer temp. Colder Normal Cold Refrigerator temp. Colder Normal Cold Period of initial defrost (F defrost) F-defrost sensor Temperature fuse Defrost period of freezer Pause Type Operation type Sealing oils Freezer Types Spec Rating Operation temp. V/6Hz 27V/6Hz RS2N *** R.S.C.R FREOL α- 5 (ESTER) SPLIT FIN TYPE Force and natural convection method MOLECULAR SIEVE XH-9 ON( ).82 32, 5.5 kg/cm 2 HFC-34a OFF( ) ON( ) Specification 22V/5Hz MK83CL2U/EH MK83PL2U/EO DK9KT2U/EO SK9HL2U/E MK83QL2U/EO OFF( ) hours ± mins 6~ hours(variable according to the use conditions)defrost 7 ± 2 minutes THERMISTOR (PX4C) 5. kω at 25 AC 25V A V/5,6Hz 23V/5Hz

11 Items Specification Electricparts F-room defrost heater F room heater sub F room heater glass R-room cover damper R room electrically driven damper Condenser for Comp.(monolithic) Start relay Overload relay Running Start Type Action Type ON temperature OFF temperature L.V.T(LOW VOLTAGE TRANSFORMER) F room cooling fan motor Comp. Cooling fan motor Freezer interior light Refrigerator interior light Door switch Supply cord Grounding screw Conducting at F defrosting Conducting at F defrosting Conducting at F defrosting 2W 6W 3W 3W W 25VAC,2μF 25VAC,2μF 35VAC,5μF 35VAC,5μF 35VAC,5μF J53Q32E4R7M82 J53Q32E4R7M82 J53Q34E22M352 J53Q34E22M352 J53Q35E33M3852 Initial resistance: 68Ω±2% (Ambient temperature : 25 ) 4TM437RHBYY-53 4TM437RHBYY-53 4TM37SHBYY-53 4TM37SHBYY-53 4TM265RHBYY-53 3 ± 5 69 ± 9 5V/6Hz 27V/6Hz 22V/5Hz 23 24V/5Hz DC 2V DREP33LA.3A DC 2V DRCP33LA.24A 3W ( 27V) 25W (22 23V) 3W ( 27V) 25W (22 23V) AC 25V.5A 2EA TO BE FOLLOWED LOCAL STANDARD BSBN (Bronze screw) 4EA

12 6. INTERIOR VIEWS AND DIMENSIONS 6-. The Name of Each Part Freezer Refrigerator Interior light 2 Ice tray 3 Shelf 4 Food Guard 5 Drawer 6 Leg cover 7 Dairy compartment 8 Interior light 9 Shelf Egg tray Fresh container(option) 2 Food Guard 3 Vegetable and fruit drawer 2

13 6-2. Dimensions of Unit 3

14 7. FREEZING CYCLE AND COOL AIR CIRCULATION ROUTE 7-. Freezing Cycle Compressor Condenser Pipe cluster Pipe hot Dryer Capillary tube Evaporator Accumulator Pipe suction Compressor 4

15 7-2. Cooling Air Circulation Freezer Refrigerator 5

16 8. MECHANICAL DISASSEMBLY 8-. Accessories for storage and parts for lightening Door Gasket The door gasket is set into groove on door liner. ) Open the door. 2) Grasp the gasket and pull it out from the door liner. SHELVES ) Pull the shelf out as far as it goes. 2) Lift it up and pull it out from the unit. LIGHT SWITCHES The unit have two light switches on the side wall of freezer & refrigerator. ) Use a small flat-blade screw driver to unlock the hook and pull the switch out until the wire connector is exposed. ICE TRAYS The ice tray is located at bottom of freezer shelfmid. ) Pull the tray out by sliding. LIGHTS The light of freezer & refrigerator are located at upper side of each compartment. ) Remove the screws. 2) Remove the lamp cover by unlocking the hook. DRAWERS The drawers are located at bottom side of freezer and refrigerator. ) Pull the drawer out as far as it goes. 2) Lift it up slightly and pull it out from the unit. 6

17 SHELF LOW REF. IN REFIGERATOR The shelf low ref. in refrigerator can be removed as following sequence. ) First, remove the drawer upp.. 2) Pull the shelf out as far as it goes. 3) Lift it up and pull it out from the unit. TRAY-REF The tray-ref is located at bottom of shelf-ref in refrigerator compartment. ) Pull the tray-ref out as far as it goes. 2) Lift it up slightly and pull it out from the shelf. FOOD GUARDS ) Lift the guard up and pull it out from door liner. 7

18 8-2. Cooling Unit COVER EVAP FRONT IN FREEZER Before disassemble the cover, Should be removed all accessories in freezer. ) Pull the screw cap out (4 EA). 2) Remove the screws (6 EA). 3) Grasp the bottom edge of the cover, and pull it out from the unit. COVER DUCT REAR IN FREEZER Before disassemble the cover, Should be removed cover duct. front. ) Remove the screws (3 EA). 2) Grasp the bottom edge of the cover, and pull it out from the unit. 3) Disconnect the wire connector and pull the cover out from the unt. COVER DUCT FRONT IN FREEZER Before disassemble the cover, should be cover evap. front. ) Pull the screw cap out ( EA). 2) Remove the screws ( EA). 3) Grasp the bottom edge of the cover, and pull it out from the unit. 4) Disconnect the sensor wire connector and pull the cover out from the unt. FAN MOTOR ) Remove the fan propeller ( EA). 2) Disconnect the wire connector from body of the cover. 3) Remove the screws (3 EA) and separate the fan motor case. 4) Open the case and remove fan motor. 8

19 EVAPORATOR IN FREEZER ) Take off cover evap front, cover duct front and cover duct rear in sequence. 2) Disconnect all wire connectors. 3) Desolder the inlet and outlet tube. 4) Remove the evaporator. Thermistor-defrost 2) Cut the cable tie for securing the thermistor. 3) Separate the thermistor from the evaporator. Do not desolder evaporator to replace the thermistor only. THERMISTOR IN FREEZER Before disassemble the thermistor, Should be removed cover duct. front. ) Remove the sensor cover. 2) Separate thermistor. Thermal Fuse Sensor AMBIENT THERMISTOR The thermistor is located at inside the upper hinge cover. It sends temperature signal to the micro-processor. THERMAL FUSE Thermal fuse is located at top of the evaporator. ) Disconnect the wire connector of thermal fuse. 2) Cut the cable tie for securing the fuse. 3) Separate the fuse from the evaporator. Do not desolder evaporator to replace the fuse only. THERMISTOR DEFROST Thermal fuse is located on accumulator of evaporator. ) Disconnect the wire connector of thermistordefrost. 9

20 ASS'Y DAMPER The Damper is for controlling cold air circulation. After disassemble cap screw() disassemble the screw(2 ). Disassemble the connectors then, pull out the damper cover(3 ) from refrigerator. After disassembling the screw(4) from the damper cover(3), disassemble the temperature control part by pulling forward from the damper cover(3). Disassemble the screw(5) from the assembly part of temperature control part. And disassemble the PBA board. Assembly is reverse of disassembly. COVER MULTI IN REFRIGERATOR Before disassemble the cover, Should be removed Ass'y damper. ) Pull the screw cap out ( EA). 2) Remove the screws ( EA). 3) Disconnect the wire connector of thermistor. 4) Grasp the bottom edge of the cover, pull it down and remove it. THERMISTOR IN REFIGERATOR Before disassemble the thermistor, Should be removed cover multi. ) Peel off the tape on the back side cover assembly. 2) Separate insulation of cover multi from the cover. 3) Remove the sensor. 2

21 8-3. Machine compartment Machine Compartment & Electric Box ) Disconnect the compressor cover by releasing the screws(6ea). Condenser Fan The condenser fan is located in the middle of machine compartment it cools down the subcondenser and compressor. ) Disconnect the wire connector of Fan. 2) Remove the screws ( EA) on the drain water tray. 3)Take out the condenser fan assembly. 2) Remove the screws which are securing the electric box. and press the tap in electric box coverto take outbyusing a flat-blade screw driver. (+)driver Sub-condenser The sub-condenser is located in the machine compartment. ) Desolder the compressor discharge & the outlet of sub-condensor. 2) Take out the sub condenser. (-)driver Desoldering Point PCB-MAIN ASSY 2

22 9. FUNCTION AND OPERATION 9-. Panel Display FRE. TEMP. BUTTON To set the freezer temperature, push the button repeatedly to select a level between level (cold) to 9 level (colder). REF. TEMP. BUTTON To set the refrigerator temperature, push the button repeatedly to select a level between level (cold) to 9 level (colder). NOTE The higher level you set, the lower temperature inside the unit Temperature Control ) Freezer The freezer temperature can be set to a level between level (cold) to 9 level (colder). Push the FRE. TEMP. button repeatedly until the desired level is reached. - At each level, the LED lamps will turn on or off as shown on the table. 2) Refrigerator The refrigerator temperature can be set to a level between level (cold) to 9 level (colder). Push the REF. TEMP. button repeatedly until the desired level is reached. - At each level, the LED lamps will turn on or off as shown on the table. Control table Temp. (about) Reference Fre Ref cold normal colder LED condition (on) (off) (blink) level After blinking ( ) for 3second, led turn on ( ). NOTE For your convenience, your freezer/refrigerator controls have been preset at the factory. The freezer/refrigerator control should both be set to normal (level 5) when you first install your freezer/refrigdfator. 22

23 9-3. Alarm ) Button touch sound ( DING-DONG ) If the panel button is pressed, DING-DONG sound of input confirm is occurred. If the buttons are pressed at the same time or incorrectly, this sound is not occurred. 2) Alarm sound at the door opened ( beep ) If the door of refrigerator/freezer is opened and has passed 2 minutes, the alarm is occurred in seconds. If the door is remained in open continuously, the alarm continues for seconds minute periodic. The alarm is sopped at once after closing the door of refrigerator/freezer. 3) Alarm sound at the forced start, defrost ( beep ) If the forced start or defrost is selected, ( beep ) alarm sound occurred. If the forced start is selected, the alarm is continued to the auto release(after 24 hours operation in forced start) or the selection of release function. Also at the forced defrost, the alarm is continued to the completion(including the pause times) or the selection of release function Defrost ) The freezer defrost is decided according to the integration time of Compressor ON. 2) At the initial power ON, freezer defrost is performed after 4 hours of integration time of Comp. ON. 3) After this, a defrost period is variable from 6 hours to hours in accordance with the use condition and ambient environment. 4) The defrost period is decided by the outdoor temperature, number and time of the opening of refrigerator door Test function ) Selection of test function Following two procedures are sequences for changing normal mode into test mode. Press both R room key and F room key, and keeping pressing keys over seconds. Note) 3 seconds : no phenomenon 3 7 seconds : panel display blinks of.5 sec interval 7 seconds : panel display blinks of.2 sec interval Press F room key after releasing two keys when seconds passed. Then the mode is changed to the test mode. In the test mode, F room key is main key for changing status. Note) One times : forced running Two times : forced defrost () Three times : forced defrost (2) Four times : release function 23

24 2) The change of lamp displays test mode function(pressing for 7 seconds) At the time of test mode selection : Lamp all OFF At the time of forced running selection : 8 lamps ON At the time of forced defrost() selection : 5 lamps of freezer control ON At the time of forced defrost(2) selection : 5 lamps of refrigerator control ON At the release of test function : Lamp all OFF 3) Forced running At the test mode, once more pressing the F room key selects forced running. At this time, buzzer performs alarm by beep. If the forced running is selected, compressor is in action immediately without 5 minutes delay action. If defrost is proceeded at this time, defrost stops immediately. If the forced running is selected, compressor and F-fan is operated on pull down for 24 hours, and R room is controlled by set temperature. The forced running is performed continuously until the completion(24 hours) or change to another mode, or release.. If the forced running is selected, freezer is selected to colder(-25 ), and refrigerator middle colder(2 ) After the forced running is completed(24 hours), defrost is performed regardless of the former mode. If the forced running is released, Comp. on time during the forced running is reflected in a defrost period by addition. 24

25 4) Forced defrost 9-6. Self Diagnosis ) Self diagnosis in the initial power on When a power is ON, if internal MICOM will decide faulty in temperature within second. If faulty sensor is found, the related display LED switches ON and OFF for.5 second intervals. At the LED situation is the faulty sensor display, self-test function key (F room key + R room key for seconds) is the control of normal temperature is delayed. Fixing default sensor when there is an error, or press F room key and R room key for seconds, it automatically cancel self-test function and activate normally. 2) Self diagnostics in the normal operation If F-ROOM +R-ROOM key is pressed for 3 seconds at the normal operation, temperature setting display proceeds ALL ON/OFF by.5 second intervals foe about 4 seconds. If F-ROOM +R-ROOM key is pressed for 7 seconds including 4 seconds of ON/OFF, all displays proceed ALL ON/OFF by.2 second intervals for about 4 seconds. If F-ROOM +R-ROOM key is pressed for total seconds including 4 seconds of.2 second intervals ON/OFF, all displays becomes ALL ON and buzzer occurred, and then start a self diagnosis. Self diagnosis is performed from colder-colder LED with being OFF in sequence at the state that freezer /refrigerator temperature setting displays are all ON. In case of detection inferior sensor, the corresponding display lamp keeps up ON. (Self diagnosis display table) No Items Symptorn Troubles Remarks LED(cf. page23) When the test mode is selected, if F room key is pressed in twice, the forced defrost() is selected. If F room key is pressed in three times, the forced defrost(2) is selected. But the forced defrost(2) mode is not used. The beep sound continues, during the heating and resting period. Damper (cooling air interception) closes until the completion of defrost time. R-Sensor Outer Sensor F-Sensor F-room defroster Sensor F Fan error (only stopping) C Fan error (only stopping) Detaching the sensor Housing, fault of Connection, open or short of power cable, sensoritse lfinferiority, the others Detaching the sensor Housing, fault of Connection, open or short of power cable, sensoritse lfinferiority, the others Detaching the sensor Housing, fault of Connection, open or short of power cable, sensoritse lfinferiority, the others Detaching the sensor Housing, fault of Connection, open or short of power cable, sensoritse lfinferiority, the others Detaching of fan housing, fault of Connection, open or short of power cable,fan itself inferiority, constraint by fan wings freezing Detaching of fan housing, fault of Connection, open or short of power cable, fan itself inferiority, constraint by fan wings freezing Displayed inferiority When temperature detection of sensor is over 65 or below -5. Displayed inferiority When temperature detection of sensor is over 65 or below -5. Displayed inferiority When temperature detection of sensor is over 65 or below -5. Displayed inferiority When temperature detection of sensor is over 65 or below -5. In case that BLDC fan motor feed back signal is not detected ordetected the abnormal signal. In case that BLDC fan motor feed back signal is not detected ordetected the abnormal signal. R Cold.Mid R room LED No F Cold F room LED No F Cold.Mid F room LED No F Mid F room LED No F Mid. Colder F room LED No F Colder F room LED No If you try to check the fan error condition, you should check the error at the forced running condition. 25

26 9-7. Display function of the presently operating parts ) If you press F room key and R room key button together for 3 seconds during normal operation, LED display will show ON/OFF for 4 seconds at interval of.5 second. 2) At this moment, if you take off F room key and R room key button and press R room key button, it change into the display of the presently operating parts. 3) This display condition is unrelated to actual operation and it is an reference of indication that MICOM commanded operating order. 4) After 3 seconds illumination of error signal, the system will return to the normal operation. (Display table of the presently operating parts) NO CONTENT DISPLAY LED DAMPER At the normal times In the conditions of overload (over 3 ) C-FAN HIGH C-FAN LOW COMP F-FAN HIGH F room defrost heater F-FAN LOW In the conditions of low temperature R Cold R Cold. Middle R Middle R Middle. Colder R Colder F Cold F Cold. Middle F Middle F Middle. Colder F Colder R room LED No R room LED No R room LED No R room LED No R room LED No F room LED No F room LED No F room LED No F room LED No F room LED No 9-8. C-FAN(Comp-fan) Control In Accordance With Outdoor Temperature ) According to the ambient temperature, the condenser fan located in the machine compartment is operated with different modes. C-FAN Delay function Ranges of ambient temp. Above Below 2 Operation C-FAN is ON as soon as the compressor ON. C-FAN is ON with 5 minutes delay from the compressor ON. C-FAN is OFF regardless of the compressor operation. 26

27 . CIRCUIT DESCRIPTION -. Power source part Power source Vcc(DC 5V) +2V(DC 2V) BLDC(DC 2V) AC 22V input power is reduced by passing through LVT(DC-TRANS), this power is changed to DC voltage through rectification diode. After this, DC 2V leveled by uf/35v capacitor and settled by regulator 782 is output and in use for relay and panel PCB driving power, input power and refrigerator control. Another the second of LVT(DC-trans) is leveled by rectification diode and uf/35v capacitor, and controlled to set voltage by OP amp, constant voltage TR circuit, and then supplies a settled voltage to BLDC motor. -2. Oscillation circuit part Used circuit Surrounding power of MICOM and sensor detection part Relay driving part, panel display part OP AMP, TR constant voltage circuit use(bldc fan motor drive) Terminal Xin(#3) Xout(#3) Oscillation frequency 4MHz 4MHz Oscillation circuit is for clock occurrence for synchronism to the information transmission/reception of MICOM internal elements and for time calculation. If the resonator spec is changed, normal function is not performed because of the changing of MICOM timing system. -3. Reset circuit part Terminal Vcc RESET Voltage DC 5V DC 5V 27

28 Reset circuit is that initializes many internal parts of the MICOM and makes the all programs to act in the initial state in case that power is impressed to MICOM by instantaneous interruption or power input. Reset terminal voltage becomes to scores of us LOW compared to the MICOM Vcc((DC 5V) voltage on power impression, and keeps HIGH (Vcc voltage) on the normal action. -4. Door S/W detection circuit Terminal Door state MICOM input F room R room CLOSE OPEN CLOSE OPEN V (LOW) 5V (HIGH) V (LOW) 5V (HIGH) CN3 is connected to GND and 2 is supplied Vcc(DC 5V) by passing through Resistance R4 ( ), and it detects F room door open/close by impressing to MICOM HIGH(5V)/LOW. CN3 is connected to GND and is supplied Vcc(DC 5V) by passing through resistance R43( ), and it detects R room door open/close by impressing to MICOM HIGH(5V)/LOW If there are some faults in door S/W at this time, the corresponding fan is not act or alarm occurs. Check the door S/W whether it has an abnormality. If the door is opened, the internal corresponding fan stops. This is occurred because MICOM stops the fan deciding door open although door is closed when being S/W contact point abnormality. -5. Temperature detection circuit MICOM terminal PIN #56 (F-SENSOR) PIN #57 (F-DEF-SENSOR) PIN #58 (R-SENSOR) PIN #59 (ATMOSPHERE SENSOR) Voltage Outdoor temperature MICOM terminal voltage is changed by the temperature. Sensor makes use of the character that resistance value becomes smaller when temperature is high, and bigger temperature is low by use of thermistor having a indeterminate resistance temperature coefficient. R32,4,6,8 and C3,2,3,5 have no concern with temperature detection because they are for noise protection parts. In case of F-sensor, if the voltage that input to MICOM is supposed to Vf, Vf= (Rth x Vcc)/(R3 + Rth).At this, Rth is a thermistor resistance value. Refer to attached appendix for MICOM terminal voltage corresponded to temperature and resistance/voltage conversion table of sensor. 28

29 -6. Key scan and display circuit part ) Description of key scan and display drive action As a following each part wave, HIGH output is send out, by use of three terminals of MICOM No #5,6,7 by 6 msec intervals. This signal passes through input terminal of IC5 and is displayed to output terminal. At this time, the peak to peak voltage of rectangle wave is about 2V, the shape of output wave is like following. 2) KEY SCAN When GRID #3 wave is output, this signal is supplied to SW by passing through panel PCB R5 resistance. At this time, pressing SW makes a signal small by R58(6.8 kω ) and R55(2 kω ), and impress peak to peak 4.5V to MICOM. MICOM decides that GRID #3 wave is input and changes the function corresponding to SW. Like this, each GRID wave is recognized. 29

30 -7. BLDC MOTOR drive circuit Movement description When F-fan is driven to LOW RPM, Resetting the MICOM #4 pin with being set #39 always links the R75 and R77 in a parallel. At this time, the voltage is devided between a parallel resistance value and R76, impressed to OP-AMP. It makes Q turn ON, F-fan drive. If F-fan is in condition of OFF, MICOM #39 pin is reset and F-fan is stopped. In case of the Comp.-fan, it is controlled by the same method with F-fan. But its drive voltage is different with that because there is a difference in E voltage /E2 voltage due to the difference of RPM. Fan motor protection When the fan is not run because of F-fan/C-fan freezing or power cord connection part inferiority, fan self-signal is not occurred. So MICOM decides fan abnormality. At this time, perform the fan three seconds ON, seven seconds OFF in five times. If there is no signal during the fan ON/OFF five times, after minutes pausing repeat the three seconds ON, seven seconds OFF in five times. If the signal is occurred during the three seconds ON, seven seconds OFF, MICOM decides that operation is normal and releases all motor protect functions and performs a normal function. 3

31 -8. Load drive part circuit Movement description When HIGH signal is impressed to input terminal of IC4 at MICOM PIN NO #5, IC turns ON. At this time, V2(DC 2V) connected to one side end of Comp relay passes through output of IC4 to ground, and the core of relay causes a magnetic field and makes a contact point on. And AC input voltage(ac 22V) is impressed to the both side end of Comp. load, Comp. acts. In case of the MICOM PIN #5 signal is LOW, IC4 turns off and the current is not flow to Comp. relay coil and makes a relay contact off. And Comp. stops. The load except the compressor equals or likes to the act principal of compressor. Refer to the above circuit diagram. 3

32 -9. Damper motor drive part Movement description Damper is a 2 excitation type stepping motor used in controlling the refrigerator temperature. It is opened when the temperature is higher than the setting temperature of refrigerator sensor, and closed lower according to the refrigerator notch. It performs a open/close without regardless of refrigerator temperature at power ON, and then decides the state of open/close according to the temperature. Open/close action is controlled by MICOM #34, #35, #37 through damper motor(stepping-motor) exclusive control drive IC(IC8:TA7774P). Damper heater is supplied DC2V whenever voltage impresses to the refrigerator and the signal is occurred always in MICOM #24, DC 2V flows into the damper heater by IC3. Note In case of the above damper heater, because the PCB cannot detect the open/close state, there is no self diagnosis function for deciding the abnormality. IN the above diagram, if a wire cut off linked 3,4,5 of CN7, motor is run as a normal, but refrigerator over cooling occurs by slightly open at the close of damper. So, check for deciding of abnormality of damper motor connection part like followings. ) Check method : After separation of CN72 housing, measure the resistance value by use of multi tester and decide the abnormality. 2) Resistance value spec -2 (black, brown) : 5Ω±5% 3-4 (white, blue) : 426Ω±5% 5-6 (yellow, red) : 426Ω±5% 32

33 -. Options As like above circuit diagram, it makes change the items related to temperature and function by use of switching diode on the main PCB. Note Because the option is set at shipment, hold free change except a special case. After change be sure to -. Temperature related option Freezer temperature shift (unit: ) SHIFT Standard D6 D62 Freezer hysteresis (unit: ) SHIFT Standard D68 D69 D63 Basic type ±3. ±2.5 ±3.5 ±4. 33 Refrigerator temperature shift (unit: ) SHIFT Standard D64 D65 D66 Refrigerator hysteresis (unit: ) SHIFT Standard D67 Basic type ±2. ±.

34 34 Appendix Temperature( ) Resistance(Ω) Voltage(V) Sensor resistance value in accordance with temperature and MICOM ort voltage Temperature( ) Resistance(Ω) Voltage(V) Temperature( ) Resistance(Ω) Voltage(V)

35 -2. Electric Circuit Diagram BLU-BLUE BRN-BROWN E-EARTH GRY-GRAY ORG-ORANGE PNK-PINK PRP-PURPLE RED-RED S/BLU-SKY BLUE WHT-WHITE YEL-YELLOW BLK-BLACK W/BLK-WHITE/BLACK W/RED-WHITE/RED 35

36 . DIAGNOSIS AND TROUBLESHOOTING -. Power cut off Start Is the power cord or fuse break? Y N Fuse exchange Is impressed the first power of DC trans? N Y Is DC 2V, DC 5V on main PCB run? Y Power cord assembly connection check REG 782, 785 out end measurement Y Repair of power part on PCB Is normal the power cord on panel PCB? N Check the connection of housing of main PCB part and refrigerator panel connection part Y Is the reset IC (IC2) output terminal DC 5V? N Panel PCB exchange Y Exchange/repair of reset IC Exchange of the main PCB ASS Y 36

37 -2. Compressor trouble Pre-inspection. If compressor is off by refrigerator temperature, it is not run within five minutes minimum. 2. Compressor is not run during the defrost. 3. If the freezer sensor is not connected, compressor is not run due to low temperature detection. Start Have passed 5 minutes after cut off? N Y Check after 5 minutes Is compressor run at the forced start? Y Is occurred the forced start alarm? N Is the freezer/refrigerator temperature detection sensor normal? N Is impressed DC 2V to the both side end of coil of compressor relay(ry72) on the main PCB? Y Check power cord connection Exchange inferior sensor Exchange the main PCB Y Is impressed between the gloomy line and red line of CN7 AC 22V? Exchange compressor relay on the PCB Y Check the connection of the lines of main PCB part and compressor surrounding OLP, relay PTC 37

38 -3. Defrost failure Condition for decision. In case of the defrost inferior, it runs normally at the initial power on. But the freezing and cooling inferior occurs after some times and at the time of defrost. This is a abnormality of defrost system. Refer to the followings. Start Is the freezer defrost sensor normal by self diagnosis? Y Is the freezer defrost heater normal? Y Is the temperature of defrost sensor below -5? Y N N N Corresponding sensor change/repair Check the temperature fuse, heater self break, cord contact Forced start for a some times Perform the forced defrost Is the defrost heater run? N After heating some period check heater off. Y Is the cord connection terminal of main PCB part normal? Y N Repair the connection terminal Is the defrost relay normal? N Y Exchange the main PCB Exchange/repair the defrost relay 38

39 -4. Freezer fan abnormality(bldc-fan repair) Condition for decision ) When the freezer fan is abnormal, freezer and refrigerator weak cooling occurs. This is a freezer fan system failure. Refer to the followings. Start Is the compressor off? N Y Forced start Is it DC 7V~DC 2V between main PCB part GND and CN73 pin? Y F-fan normal Is it DC V between main PCB part CN3 ~2(freezer) and 5~6(refrigerator) pin? Y Measure in door closing -. F-DOOR OPEN : DC5V -. F-DOOR CLOSE : V Impress the power after five minutes from the power off(compressor O/L/protection) Repair the door S/W connection part After impression of initial power compressor and fans run continuously. (It runs without regard to temperature) Is it repeated DC 7V~DC 2V and below 2V between main PCB part GND and CN73 pin? N If the pulse signal of fan self occurring through CN73 3 is not detected to MICOM, fan protection function runs that performs 3 seconds ON 7 seconds OFF in five times. It occurs DC7~2V at the time of 3 seconds ON, it becomes below DC 2V at 7 seconds OFF. Check and repair the fan motor self inferior, contact inferior of cord connection part Y Main PCB exchange/repair Reference ) Refrigerator controls the refrigerator temperature by damper motor without fan motor. 2) Because the apparatus room fan motor is applied to the same BLDC fan with F-fan, Check it by reference to circuit diagram with the above method. 39

40 -5. Refrigerator damper inferiority Condition for decision ) When D/P motor in refrigerator is failed, weak cooling and over cooling can be occurred. 2) If the inferiority is occurred at the state of D/P motor open, refrigerator is over cooling. And at the state of close, refrigerator is over cooling. In this ases, it is the abnormality of refrigerator damper system. Refer to the followings. Start Disassemble refrigerator damper assembly. (Housing connection connectors keep up the assembly.) Power off and ON again. Decide that the abnormal or not after measurement of resistance value of damper connection part. Is the D/P motor run for a time when power on? N Is there any abnormality of D/P motor part connection connector? Y In case of power on, perform a time of open/close running to confirm that D/P motor run or not. N Measure after PBA main CN72 disassembly (black, brown):5ω±5% (white, blue):426ω±5% (yellow, red):426ω±5% Y Repair the connection connector. Is there any abnormality of main PCB CN72 connection connector? N Y Repair the connection connector. Exchange the main PCB assembly or D/P motor assembly Reference ) Refrigerator D/P motor is composed of stepping motor. 2) It has not self diagnosis function because MICOM cannot detect an abnormal running of D/P motor.3. Among the damper running, signal by step cannot be measured by the general tester. So, confirm by naked eye the running state at the time of power on with reference to the above method and circuit diagram. 4

41 -6. Internal light not lit.(freezer, Refrigerator) Start Is break off the internal filament? Y N Is normal the door S/W contactor? N Exchange/repair internal light Confirm door S/W connection part and internal light socket and repair. Y Exchange/repair door S/W -7. Circuit service materials list NO CODE-NO Name of goods Specification Q ty Remarks DA4-3B PBA MAIN ASS Y RS2N 2 DA4-4A PBA PANEL ASS Y DC2V 3 DA26-9G DC-TRANS V 5V/6Hz DA26-9F DC-TRANS 23V 24V/5Hz DA26-9A DC-TRANS 22V/5Hz DA26-9H DC-TRANS 27V/6Hz 4 DA32-5V R-ROOM SENSOR PX4C(Blue) 5 DA32-9U F-ROOM SENSOR PX4C(Yellow) 6 DA32-6B F-EVA SENSOR PX4C(Yellow) 7 DA32-9T EXIT SENSOR PX4C(White) 4

42 2. ILLSTRATED PARTS CATALOGUE 2-. Parts of Freezer 42

43 Parts list of Freezer NO CODE-NO DA97-24A DA64-554A DA67-644A DA64-9A DA97-25A DA64-554B DA67-645A DA6-59A DA64-9A DA63-78A DA67-8B DA67-77E DA67-46A DA64-9A DA67-8A DA67-77C DA67-46A DA64-9A DA67-82A DA67-5A DA63-74A DA63-7A DA67-83A DA67-5A DA63-74A DA63-7A DA D DA97-28B DA63-85A DA62-69A DA32-9U DA63-798B DA63-799A DA97-53A DA63-6A DA62-64A DA6-52A DA62-259A DA6-737A DA62-82A DA62-26A Name of goods ASSY-SHELF FRE UP GLASS-SHELF FRE,UP SHELF-FRE UP TRIM-SHELF ASSY-SHELF FRE MID GLASS-SHELF FRE,MID SHELF-FRE MID RAIL-TRAY ICE TRIM-SHELF TRAY ICE SCREW TAPPING ASSY SHELF FRE, LOW GLASS SHELF FRE, LOW SHELF-FRE, LOW TRIM-SHELF ASSY SHELF-FRE SHELF GLASS SHELF-FRE TRIM-SHELF CASE-BASKET ASSY,UP CASE-BASKET UP COVER-FRONT,B COVER-FRONT,A CASE-BASKET ASSY,LOW CASE-BASKET LOW COVER-FRONT,B COVER-FRONT,A CAP SCREW ASSY-COVER DUCT FRONT,FRE COVER-DUCT FRE DUCT FRONT,FRE SENSOR ASSY COVER-SENSOR,A COVER-SENSOR,B ASSY-COVER EVAP FRONT COVER-EVAP FRONT COVER EVAP FRONT PLATE-INS EVAP SEAL-INS EVAP FRONT, LOW PLATE COVER EVAP FRONT SEAL INS EVAP FRONT SEAL INS EVAP FRONT UP RS2N*** CSL CSW ESL ESW ( Specification 43

44 Parts list of Freezer NO CODE-NO DA97-29A DA63-86A DA63-73B DA3-2M DA63-46A DA39-227A DA3-52A DA6-228A DA62-89A DA63-467A DA63-75A DA6-58A DA34-2A DA96-33B DA96-33A DA97-55A DA96-33C DA47-48M DA32-6B DA6-42A DA62-84A Name of goods ASSY-COVER DUCT REAR, FRE COVER-DUCT REAR FRE COVER-MOTOR MOTOR BLDC GROMMET-MOTOR W/HARNESS SUB FAN PROPELLER SPRING ETC-FAN SCREW-TAPPING SEAL-DUCT REAR GROMMET-COVER CHIL COVER LAMP PLATE-REFLELTOR LAMP-INCANDESCENT SWITCH DOOR ASSY-EVAP FRE ASSY-THERMO FUSE SENSOR TEMP SPACER EVAP FRE SEAL INS EVAP SCREW-TAPPING RS2N*** CSL CSW ESL ESW DC 2V 27V, 25W 22 23V, 3W V 23V 22V 27V Specification 25V, A, 77 44

45 2-2. Parts of Refrigerator 45

46 Parts list of Refrigerator NO CODE-NO DA97-26B DA64-554C DA67-646A DA97-26B DA64-554C DA67-646A DA6-683B DA6-679A DA B DA6-684B DA6-68A DA B DA63-74B DA97-26B DA64-554C DA67-646A DA97-27B DA64-554D DA67-768A DA64-647A DA97-8A DA6-57A DA63-65A DA63-64A DA64-85A DA97-7A DA6-58A DA63-65A DA63-64A DA64-85A DA97-355C DA62-66A DA3-43B DA62-67A DA97-54C DA97-54B DA97-54A DA97-54D DA63-73A DA47-6D DA47-6B DA47-6E DA47-6C Name of goods ASSY-SHELF REF, UP GLASS-SHELF REF,UP SHELF-REF UP ASSY-SHELF REFUP GLASS-SHELF REF,UP SHELF-REF UP RAIL-LOW L, ASSY RAIL-LOW L GROMMET-RAIL RAIL-LOW R, ASSY RAIL-LOW R GROMMET-RAIL SCREW-TAPPING TRAY-REF ASSY-SHELF REFUP GLASS-SHELF REF,UP SHELF-REF UP ASSY-SHELF REF, LOW GLASS-SHELF REF,LOW SHELF-REF LOW TRIM-SHELF REF,LOW ASSY-VEG UP CASE-VEG UP COVER-FRONT,B COVER-FRONT,A KNOB-MOIS CONT ASSY-CASE VEG LOW CASE-VEG LOW COVER-FRONT,B COVER-FRONT,A KNOB-MOIS CONT ASSY INS-DAMPER,REF INS-DAMPER UP MOTOR STEP-DAMPER INS-DAMPER LOW ASSY-COVER DAMPER COVER DAMPER HEATER-COVER DAMPER RS2N*** CSL CSW ESL ESW ( V 23V 22V 27V Specification V/6Hz 23V/5Hz 22V/5Hz 27V/6Hz 46

47 Parts list of Refrigerator NO CODE-NO Name of goods RS2N*** CSL CSW ESL ESW Specification 2-3 DA62-227A INS-DAMPER REF.SUB 2-4 DA4-4A PBA PANEL 2-5 DA64-557B INLAY-PBA CONTROL SCREW-TAPPING SCREW-TAPPING 2-8 DA63-76A COVER PBA CONTROL 3 DA97-2B ASSY-COVER MULTI REF 3- DA63-87A COVER-MULTI REF 3-2 DA62-7A MULTI REF 3-3 DA97-589A ASS Y SEAL MULTI 3-4 DA97-588A ASS Y GUIDE MULTI 3-5 DA32-5V SENSOR TEMP 3-6 DA63-798B COVER-SENSOR,A 3-7 DA63-799A COVER-SENSOR,B 4 DA97-52A ASSY-COVER PURIFIER 4- DA2-57A CATALYST-LTC 4-2 DA63-77A COVER-PURIFIER 5 DA67-425E TRAY-UTILITY 6 DA63-75A COVER LAMP 7 DA6-58A PLATE-REFLECTOR LAMP-INCANDESCENT 27V, 25W 22 23V, 3W 9 DA34-B SWITCH-DOOR 2 DA D CAP-SCREW SCREW-TAPPING 22 DA63-66A COVER VEG LOW 47

48 2-3. Parts of Unit 48

49 Parts list of unit NO CODE-NO DA63-2B DA63-2L DA6-58C DA6-5D DA63-592A DA6-4A DA63-2B DA63-2L DA6-58D DA6-52F DA63-592A DA6-2F DA63-527C DA6-37A DA6-C DA63-527C DA6-32C DA6-56A DA6-22C DA63-62F DA6-26A DA4-3A DA7-55A DA26-9G DA26-9H DA26-9A DA26-9F DA63-783A DA97-36A DA97-359A DA62-2R DA63-95C DA63-47B DA6-28A MK83CL2U/EH DK82PL2U/E DK9KT2U/E MK83QL2U/E DA63-44A Name of goods COVER HINGE-UP,L ASSY HINGE UP-L HINGE-UP, L SHIM-HINGE,UP SCREW TAP TITE COVER HINGE-UP,R ASSY HINGE UP-R HINGE-UP, R SHIM-HINGE,UP HINGE-LOW L,ASSY SHIM-HINGE,LOW BRACKET-HINGE,LOW HINGE-LOW R,ASSY SHIM-HINGE,LOW FOOT FRONT ASSY CASTER FRONT SCREW TAP TITE SCREW HEX COVER-LEG FRONT CASE PCB-PANEL C-OIL PBA MAIN FIXER-MAIN PCB TRANS POWER COVER PCB-PANEL CBF-POWER ASSY-COVER COMP ASSY TUBE-DRAIN TUBE PVC GROMMET-DRAIN HOSE GROMMET-SUCT PIPE BOLT-HEX COMPRESSOR GROMMET-COMP RS2N*** CSL CSW ESL ESW ( Specification V/6Hz,25VAC,2uF 27V/6Hz,25VAC,2uF 22V/5Hz,35VAC,5uF 23V/5Hz,35VAC,5uF,5V/6Hz 27V/6Hz 22V/5Hz 23V/5Hz V/6Hz 27V/6Hz 22V/5Hz 23V/5Hz 49

50 Parts list of unit NO CODE-NO Name of goods RS2N*** CSL CSW ESL ESW Specification DA34-3D DA34-3D DA34-3U DA34-3V DA35-3Q DA35-3Q DA35-3E DA35-3B DA63-352A RELAY PROTECTOR O/L RELAY-PTC COVER-RELAY V/6Hz 27V/6Hz 22V/5Hz 23V/5Hz V/6Hz 27V/6Hz 22V/5Hz 23V/5Hz 3 DA39-84B WIRE HARNESS,COMP 3 DA73-32B DRYER-ASSY SCREW-TAPPING 33 DA6-24A SCREW-TAP TITE 34 DA6-7A SCREW-EARTH 35 DA E WIRE HARNESS-EARTH 36 DA97-367C ASSY TRAY-DRAIN WATER 36- DA97-259C ASSY PIPE-SPIRAL COND 36-2 DA63-73A COVER-MOTOR 36-3 DA63-46A GROMMET-MOTOR DA3-2H DA6-45A MOTOR DC-BLDC SENSOR SUPPORT-CIRCUITE MOTOR DC2V 36-6 DA66-34A TRAY-DRAIN WATER 36-7 DA72-76A SEAL-COND SCREW-TAPPING SCREW-TAPPING 37 DA3-D FAN-ASS Y 37- DA3-5C FAN-TURBO 37-2 DA6-228A SPRING-ETC,FAN 38 DA97-33B ASS Y CHASSIS COMP 39 DA67-642A DUCT-CABI, LOW 5

51 2-4. Parts of the freezer door 5

52 Parts list of the freezer door NO CODE-NO DA9-56B DA9-56G DA9-56F DA9-56N DA97-78A DA63-7A DA63-7D DA63-23A DA6-776A DA66-92C 6-76 DA64-B DA64-C DA64-96B DA64-96C DA7-77A DA64-97B DA64-97C DA97-654B DA97-654C DA6-5A DA64-29A DA64-98H DA64-98B DA64-96A DA64-96B DA64-L DA64-A DA64-543B DA64-543C DA64-379B DA64-379C DA64-328B DA64-328C DA7-28A DA64-329B DA64-329C DA64-37B DA64-37C Name of goods ASSY DOOR FOAM FRE ASSY-GASKET DOOR,FRE GUARD-BOTTLE FRE,MID GUARD-BOTTLE FRE,LOW GUARD-FRE-UPP SCREW-TAPPING SCREW-MACHINE STOPPER DOOR CAM HINGE-RISER, LOW SCREW-MACHINE ASSY HANDLE MID HANDLE BASE MID REINF HANDLE MID SCREW TAPPING SCREW TAPPING HANDLE BASE UPP ASSY HANDLE LOW REINF HANDLE LOW SCREW TAPPING SCREW TAPPING ASSY TRIM HANDLE MID TRIM HANDLE MID TRIM HANDLE CONNECT MID TRIM HANDLE UPP TRIM HANDLE LOW ASS'Y HANDLE HANDLE REAR REINF HANDLE SCREW TAPPING HANDLE FRONT BASE HANDLE UPP RS2N*** CSL CSW ESL ESW ( Specification STS-LOOKING SNOW-WHITE STS-LOOKING SNOW-WHITE 52

53 Parts list of the freezer door NO CODE-NO DA64-547B DA64-547C DA64-326B DA64-326C DA64-544B DA64-544C DA64-324B DA64-324C Name of goods BASE HANDLE LOW SCREW TAPPING TRIM-HANDLE UPP TRIM-HANDLE LOW SCREW TAPPING TRIM-HANDLE MID, A RS2N*** CSL CSW ESL ESW Specification 53

54 2-5. Parts of the refrigerator door 54

55 Parts list of the refrigerator door NO CODE-NO DA9-57B DA9-57G DA9-57F DA9-57N DA97-79A DA97-732A DA63-67B DA63-68A DA63-69A DA63-7A DA6-776A DA66-92C 6-76 DA64-B DA64-C DA64-96B DA64-96C DA7-77A DA64-97B DA64-97C DA97-654B DA97-654C DA6-5A DA64-29A DA64-98H DA64-98B DA64-96A DA64-96B DA64-L DA64-A DA64-543B DA64-543C DA64-379B DA64-379C DA64-328B DA64-328C DA7-28A DA64-329B DA64-329C Name of goods ASSY DOOR FOAM REF ASSY-GASKET DOOR, REF ASSY-GUARD,DAIRY COVER-GUARD,DAIRY GUARD-DAIRY GUARD-REF,UP GUARD-REF,LOW SCREW-TAPPING SCREW-MACHINE STOPPER DOOR CAM HINGE-RISER, LOW SCREW-MACHINE ASSY HANDLE MID HANDLE BASE MID REINF HANDLE MID SCREW TAPPING SCREW TAPPING HANDLE BASE UPP ASSY HANDLE LOW REINF HANDLE LOW SCREW TAPPING SCREW TAPPING ASSY TRIM HANDLE MID TRIM HANDLE MID TRIM HANDLE CONNECT MID TRIM HANDLE UPP TRIM HANDLE LOW ASS'Y HANDLE HANDLE REAR REINF HANDLE SCREW TAPPING HANDLE FRONT RS2N*** CSL CSW ESL ESW ( - - Specification STS-LOOKING SNOW-WHITE STS-LOOKING SNOW-WHITE 55

56 Parts list of the refrigerator door NO CODE-NO DA64-37B DA64-37C DA64-547B DA64-547C DA64-326B DA64-326C DA64-544B DA64-544C DA64-324B DA64-324C Name of goods BASE HANDLE UPP BASE HANDLE LOW SCREW TAPPING TRIM-HANDLE UPP TRIM-HANDLE LOW SCREW TAPPING TRIM-HANDLE MID, A RS2N*** CSL CSW ESL ESW Specification 56

57 Appendix Ⅰ (RS2N for Circuit Diagram) 57

58 ELECTRONICS 272, Oseon-Dong, Kwangsan-Gu, Kwangju-City, Korea, TEL : , 68 FAX : Samsung Electronics Co., Ltd. Refrigerator Division 22. Printed in Korea Code : DA68-97A